Ceramic tile are clay products which are formed into thin tiles and fired. Ceramic tiles are set in beds of mortar or mastic with the joints between tiles grouted. Varieties of ceramic tiles include quarry tile, porcelain, terracotta.
Natural stone can be cut into a variety of sizes, shapes, and thicknesses for use as flooring. Stone flooring is uses a similar installation method to ceramic tile. Slate and marble are popular types of stone flooring that requires polishing and sealing.